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Characteristics of water-soluble organic nitrogen in fine particulate matter in the continental area of China
Ho, K. F.1,2; Ho, Steven Sai Hang2,3; Huang, Ru-Jin2,4,5; Liu, S. X.2; Cao, Jun-Ji2,6; Zhang, T.2; Chuang, Hsiao-Chi7,8; Chan, C. S.1; Hu, Di9; Tian, Linwei10
2015-04-01
发表期刊ATMOSPHERIC ENVIRONMENT
ISSN1352-2310
卷号106页码:252-261
文章类型Article
摘要

In recent years growing evidence has shown that organic nitrogen (ON) constitutes a significant fraction of the nitrogen budget in particulate matter (PM). However, the composition and sources of ON in Chinese PM are not clear to date due to the lack of field measurements and receptor modeling interpretations. In this study, water-soluble ON (WSON), free amino acids (FAAs) and primary amines, together with water-soluble ionic species and carbonaceous components, were quantified in PM2.5 collected in Xi'an, China from 2008 to 2009. The yearly average WSON concentration (300 nmol N m(-3), ranging from 29 to 1250 nmol N m(-3)) was one order of magnitude higher than that reported in other urban and rural regions in U.S. A total of 24 organic nitrogen species were determined, with an average total concentration of 2180 pmol m(-3), which account for 1.2% of the WSON in PM2.5. Glycine, beta-alanine and methylamine were the most abundant protein type amino acid, non-protein type amino acid and primary amine, respectively, contributing to 21.1%, 5.2% and 20.6% of the total quantified organic nitrogen species (TONS). Strong linear correlations (Pearson's correlation) (r = .72, p < 0.001) between WSON and one of biomass burning tracer (K+) potentially indicate the contribution from biomass burning (especially in spring and fall) and the correlation (r = .76.87, p < 0.001) between WSON and secondary species (NH4+, NO3-, and SO42-) also suggests the important contribution to WSON from secondary formation processes. Moreover, both protein type amino acids and primary amines revealed good correlations with water-soluble ions in spring, which indicates that seasonal variability occurred in primary sources and secondary formation pathway of the organic nitrogen species were found in Xi'an. (C) 2015 Elsevier Ltd. All rights reserved.

关键词Water-soluble Organic Nitrogen Amino Acids Amines Pm2.5 Xi'an
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
DOI10.1016/j.atmosenv.2015.02.010
关键词[WOS]Chromatography-mass Spectrometry ; Biomass Burning Aerosols ; Western North Pacific ; Free Amino-acids ; Atmospheric Aerosols ; Source Apportionment ; Heterocyclic Amines ; Marine Aerosols ; Soa Formation ; Fog Waters
收录类别SCI
语种英语
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS记录号WOS:000351966200025
出版者PERGAMON-ELSEVIER SCIENCE LTD
引用统计
被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9342
专题粉尘与环境研究室
通讯作者Ho, K. F.
作者单位1.Chinese Univ Hong Kong, Jockey Club Sch Publ Hlth & Primary Care, Hong Kong, Hong Kong, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, Xian 710061, Peoples R China
3.Desert Res Inst, Div Atmospher Sci, Reno, NV 89512 USA
4.Paul Scherrer Inst, Lab Atmospher Chem, CH-5232 Villigen, Switzerland
5.Natl Univ Ireland Univ Coll Galway, Ryan Inst, Ctr Climate & Air Pollut Studies, Galway, Ireland
6.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian 710049, Peoples R China
7.Taipei Med Univ, Coll Med, Sch Resp Therapy, Taipei, Taiwan
8.Taipei Med Univ, Shuang Ho Hosp, Dept Internal Med, Div Pulm Med, Taipei, Taiwan
9.Hong Kong Baptist Univ, Dept Chem, Kowloon, Hong Kong, Peoples R China
10.Univ Hong Kong, Sch Publ Hlth, Hong Kong, Hong Kong, Peoples R China
推荐引用方式
GB/T 7714
Ho, K. F.,Ho, Steven Sai Hang,Huang, Ru-Jin,et al. Characteristics of water-soluble organic nitrogen in fine particulate matter in the continental area of China[J]. ATMOSPHERIC ENVIRONMENT,2015,106:252-261.
APA Ho, K. F..,Ho, Steven Sai Hang.,Huang, Ru-Jin.,Liu, S. X..,Cao, Jun-Ji.,...&Tian, Linwei.(2015).Characteristics of water-soluble organic nitrogen in fine particulate matter in the continental area of China.ATMOSPHERIC ENVIRONMENT,106,252-261.
MLA Ho, K. F.,et al."Characteristics of water-soluble organic nitrogen in fine particulate matter in the continental area of China".ATMOSPHERIC ENVIRONMENT 106(2015):252-261.
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